Chris Alexiuk

Chris Alexiuk is a deep learning developer advocate at NVIDIA, working on creating technical assets that help developers use the incredible suite of AI tools available at NVIDIA. Chris comes from a machine learning and data science background, and he is obsessed with everything and anything about large language models.
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Posts by Chris Alexiuk

Agentic AI / Generative AI Aug 11, 2026

NVIDIA Nemotron 3.5 Lightning Delivers Fast, Accurate Specialized Task Execution for Long-Running Agents

Long-running AI agents spend most of their time on high-volume execution: tool calls, result validation, and subagent delegation. Using a frontier reasoning... 8 MIN READ
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Agentic AI / Generative AI Aug 11, 2026

Route AI Agent Workloads Across Models with NVIDIA NeMo Switchyard

Building an AI agent does not end with choosing a single model. Each model has its own strengths, weaknesses, and cost profile, which can shift from one... 12 MIN READ
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Agentic AI / Generative AI Jul 23, 2026

Start Customizing NVIDIA Nemotron 3 Nano with Prime Intellect Lab in Minutes

Customization is what enables developers to take a general model and tailor it to use cases, domains, languages, and more. However, customization comes with a... 13 MIN READ
Illustration showing Nemtron 3 Ultra.
Agentic AI / Generative AI Jun 04, 2026

NVIDIA Nemotron 3 Ultra Powers Faster, More Efficient Reasoning for Long-Running Agents

Single-turn chatbots are evolving into long-running agents that can reason, maintain context, use tools, and run efficiently across many turns to complete... 10 MIN READ
Agentic AI / Generative AI Mar 24, 2026

Building NVIDIA Nemotron 3 Agents for Reasoning, Multimodal RAG, Voice, and Safety

Agentic AI is an ecosystem where specialized models work together to handle planning, reasoning, retrieval, and safety guardrailing. As these systems scale,... 10 MIN READ
Agentic AI / Generative AI Mar 11, 2026

Introducing Nemotron 3 Super: An Open Hybrid Mamba-Transformer MoE for Agentic Reasoning

Agentic AI systems need models with the specialized depth to solve dense technical problems autonomously. They must excel at reasoning, coding, and long-context... 12 MIN READ